Nasution, Zaidartina, author
Universitas Indonesia, 1991
UI - Tesis (Membership)
Gemala Dewi, author
Prenada Media, 2005
Buku Teks
Gemala Dewi, author
Kencana, 2004
Buku Teks
Gemala Dewi, author
Kencana, 2004
Buku Teks
Gemala Dewi, author
Kencana, 2006
Buku Teks